Painting stand



FIG. 1 is a top, front, left side perspective view of a painting stand showing my new design; and,

FIG. 2 is a top, front, left side perspective view of an alternate view of the embodiment of FIG. 1, the bumper is shown in broken lines for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a painting stand, as shown and described. 